science has forced me. >> thumb sucking, bad for you. >> your dentist is right and psychiatrist was wrong. >> what is the biggest misconception? what is the wrongest advice that parents give to their kids? >> the thing i always -- this one is sort of serious. don't talk to strangers and parents take this very seriously and make their kids scared of strangers. this myth of a strange kidnapper in white van, that never happens. kids need to be comfortable talking to strangers so if they get lost they can find help. >> ken jennings, nice to have you with us. you can have breakfast, you can pick up the food off floort and you can run with scissors. >>> still ahead this morning, relentless rain to tell you about in the west that's already proven deadly. more rough weather on the way. we'll talk about that. and don't waste any time getting that flu shot this year. [ male announcer ] it's that time of year again. time for citi price rewind. because your daughter really wants that pink castle thing. and you really don't want to pay more than you have to. only citi price rewind automatically search